Imiyoboro ni valve igenzurwa igenzura urujya n'uruza muri moteri. Iyo gaze yinjiye mu muyoboro wafashwe, izavangwa na lisansi ihinduka imvange yaka, izashya kandi ikore akazi. Ihujwe na filteri yumuyaga, moteri ya moteri, izwi nkumuhogo wa moteri yimodoka.
Shira moteri enye ya moteri ya lisansi muri rusange isa nkiyi. Throttle ni kimwe mu bice byingenzi bigize sisitemu yimodoka yo gutera inshinge. Igice cyo hejuru cyacyo ni akayunguruzo ko mu kirere, igice cyo hepfo ni moteri ya moteri, kandi ni umuhogo wa moteri yimodoka. Kwihuta kwimodoka biroroshye, kandi igituba cyanduye gifitanye isano ikomeye, gusukura trottle birashobora kugabanya gukoresha lisansi bishobora gutuma moteri ihinduka kandi ikomeye. Inzira ntigomba gukurwaho kugirango isukure, ariko kandi yibanze kuri ba nyirayo kugirango baganire kuri byinshi